Home / 38,966.80-53,779.16-25,549.36

Finding the Fourth Proportional to 38,966.80, 53,779.16 and 25,549.36

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Solution

The fourth proportional to 38,966.80, 53,779.16 and 25,549.36 is: 35,261.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,966.80 : 53,779.16 = 25,549.36 : x
  2. Step 2: Convert to fraction form
    38,966.80/53,779.16 = 25,549.36/x
  3. Step 3: Cross multiply
    38,966.80x = 53,779.16 × 25,549.36
  4. Step 4: Simplify right side
    38,966.80x = 1,374,023,119.34
  5. Step 5: Solve for x
    x = 1,374,023,119.34/38,966.80
  6. Step 6: Final answer
    x = 35,261.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.